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CVE-2026-76641

CVE Details​

Visit the official vulnerability details page for CVE-2026-76641 to learn more.

Initial Publication​

08/20/2026

Last Update​

09/24/2026

Third Party Dependency​

libexpat

NIST CVE Summary​

Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046.

CVE Severity​

7.5

Our Official Summary​

Investigation is ongoing to determine how this vulnerability affects our products.

Status​

Awaiting Analysis

Affected Products & Versions​

VersionPaletteAIPaletteAI VerteX
1.4.0⚠️ Impacted⚠️ Impacted
1.3.2⚠️ Impacted⚠️ Impacted
1.2.2⚠️ Impacted⚠️ Impacted

Revision History​

No revisions available.